(function() { load("jstests/sharding/libs/find_chunks_util.js"); var s1 = new ShardingTest({name: "count2", shards: 2, mongos: 2}); var s2 = s1._mongos[1]; s1.adminCommand({enablesharding: "test"}); s1.ensurePrimaryShard('test', s1.shard1.shardName); s1.adminCommand({shardcollection: "test.foo", key: {name: 1}}); var db1 = s1.getDB("test").foo; var db2 = s2.getDB("test").foo; assert.eq(1, findChunksUtil.countChunksForNs(s1.config, "test.foo"), "sanity check A"); db1.save({name: "aaa"}); db1.save({name: "bbb"}); db1.save({name: "ccc"}); db1.save({name: "ddd"}); db1.save({name: "eee"}); db1.save({name: "fff"}); s1.adminCommand({split: "test.foo", middle: {name: "ddd"}}); assert.eq(3, db1.count({name: {$gte: "aaa", $lt: "ddd"}}), "initial count mongos1"); assert.eq(3, db2.count({name: {$gte: "aaa", $lt: "ddd"}}), "initial count mongos2"); s1.printChunks("test.foo"); s1.adminCommand({ movechunk: "test.foo", find: {name: "aaa"}, to: s1.getOther(s1.getPrimaryShard("test")).name, _waitForDelete: true }); assert.eq(3, db1.count({name: {$gte: "aaa", $lt: "ddd"}}), "post count mongos1"); // The second mongos still thinks its shard mapping is valid and accepts a cound print("before sleep: " + Date()); sleep(2000); print("after sleep: " + Date()); s1.printChunks("test.foo"); assert.eq(3, db2.find({name: {$gte: "aaa", $lt: "ddd"}}).count(), "post count mongos2"); db2.findOne(); assert.eq(3, db2.count({name: {$gte: "aaa", $lt: "ddd"}})); assert.eq(4, db2.find().limit(4).count(true)); assert.eq(4, db2.find().limit(-4).count(true)); assert.eq(6, db2.find().limit(0).count(true)); assert.eq(6, db2.getDB().runCommand({count: db2.getName(), limit: 0}).n); s1.stop(); })();